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Crystal quartz is a transparent crystalline variety of the mineral quartz, resembling glass. Job lists gavish (crystal quartz) alongside gold, onyx, lapis lazuli, glass, coral, and peridot as a valuable trade good. The Hebrew word gavish is a wanderwort, which probably originated in historical Nubia, modern Sudan.
Alunite crystals morphologically are rhombohedra with interfacial angles of 90° 50', causing them to resemble cubes. Crystal symmetry is trigonal. Minute glistening crystals have also been found loose in cavities in altered rhyolite. Alunite varies in color from white to yellow gray.
Aluminite is a hydrous aluminium sulfate mineral with formula: Al 2 SO 4 (OH) 4 ·7H 2 O. It is an earthy white to gray-white monoclinic mineral which almost never exhibits crystal form. It forms botryoidal to mammillary clay -like masses.
Alum is used as a mordant in traditional textiles; [27] and in Indonesia and the Philippines, solutions of tawas, salt, borax, and organic pigments were used to change the color of gold ornaments. [28] In the Philippines, alum crystals were also burned and allowed to drip into a basin of water by babaylan for divination.
Artist's conception of Jewish high priest wearing a hoshen in ancient Judah. According to the Biblical description, the twelve jewels in the breastplate were each to be made from specific minerals, none identical to another, and each of them representative of a specific tribe, whose name was to be inscribed on the stone.
Crystals of alum, the naturally occurring form of which was known back to the ancients. The history of aluminium was shaped by the usage of its compound alum . The first written record of alum was in the 5th century BCE by Greek historian Herodotus . [ 2 ]
Sallon said it was possible that the tree could be the source of the biblical “tsori,” a medicinal plant extract associated with the historical region of Gilead north of the Dead Sea in the ...
Religious images in Christian theology have a role within the liturgical and devotional life of adherents of certain Christian denominations. The use of religious images has often been a contentious issue in Christian history. Concern over idolatry is the driving force behind the various traditions of aniconism in Christianity.